diff --git a/avr/devices/c03/main/a_c03.asm b/avr/devices/c03/main/a_c03.asm
index 342d53f..c4a2aee 100644
--- a/avr/devices/c03/main/a_c03.asm
+++ b/avr/devices/c03/main/a_c03.asm
@@ -97,6 +97,7 @@ C03App_Init:
   rcall c03AppCreateWinMenu     ; (any, !Y)
   rcall c03AppCreateWinClimate  ; (any, !Y)
   rcall c03AppCreateWinNetStats ; (any, !Y)
+  rcall c03AppCreateWinDebug    ; (any, !Y)
   rcall c03AppCreateScreenSaver ; (any, !Y)
 
   ; enter menu window
@@ -157,6 +158,39 @@ c03AppCreateWinClimate_ret:
 
 
 
+; ---------------------------------------------------------------------------
+; @routine c03AppCreateWinDebug
+;
+; @param Y ptr to this guiapp
+; @clobbers !X
+
+c03AppCreateWinDebug:
+  push yl
+    push yh
+      push yl
+        push yh
+          bigcall LightSettings_new
+          mov r20, yl
+          mov r21, yh
+        pop yh
+      pop yl
+      bigcall LightSettingsWin_new
+      mov xl, yl
+      mov xh, yh
+    pop yh
+  pop yl
+  brcc c03AppCreateWinDebug_ret
+  std Y+C03APP_OFFS_WDEBUG_LO, xl
+  std Y+C03APP_OFFS_WDEBUG_HI, xh
+  ldi r16, C03APP_SEL_DEBUG
+  rcall c03AppSetTargetAndSelector
+  sec
+c03AppCreateWinDebug_ret:
+  ret
+; @end
+
+
+
 ; ---------------------------------------------------------------------------
 ; @routine c03AppCreateWinNetStats
 ;
@@ -214,6 +248,7 @@ c03AppCreateScreenSaver_ret:
 ; @routine c03AppSetTargetAndSelector
 ;
 ; @param r16 selector
+; @param Y   pointer to this guiapp
 ; @param X   pointer to new main window to set target/selector to
 ; @clobbers none
 
diff --git a/avr/devices/c03/main/main.asm b/avr/devices/c03/main/main.asm
index 53b4b2e..9c463d3 100644
--- a/avr/devices/c03/main/main.asm
+++ b/avr/devices/c03/main/main.asm
@@ -506,6 +506,7 @@ Debug_Style:
 .include "common/multiply.asm"
 .include "common/itoa.asm"
 .include "common/ressource.asm"
+.include "common/list.asm"
 
 .include "style.asm"
 
@@ -527,8 +528,10 @@ GUI_MODULE_BEGIN:
 .include "modules/lcd2/gui/base/hlayout.asm"
 .include "modules/lcd2/gui/base/vlayout.asm"
 .include "modules/lcd2/gui/base/mclayout.asm"
+.include "modules/lcd2/gui/base/hspinner.asm"
 .include "modules/lcd2/gui/base/mainwindow.asm"
 .include "modules/lcd2/gui/aqhome/sensorwatch.asm"
+.include "modules/lcd2/gui/aqhome/lightsettings.asm"
 .include "modules/lcd2/gui/screensavers/simple.asm"
 GUI_MODULE_END:
 .equ MODULE_SIZE_GUI = GUI_MODULE_END-GUI_MODULE_BEGIN
@@ -537,7 +540,7 @@ GUI_MODULE_END:
 .include "w_menu.asm"
 .include "w_climate.asm"
 .include "w_netstats.asm"
-
+.include "w_lightsettings.asm"
 
 .include "ressources.inc"